TPT July 2007

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Technology Update
44 July /August 2007
Multimetals Limited, India, is a manufacturer
of seamless extruded drawn copper
and copper alloy tubes, including 90/10
and 70/30 cupro nickel tubes confirming
to various international standards. The
company caters to industries such as
heat exchangers, nuclear and thermal
power plants, shipbuilding and repairs,
petroleum refineries, sugar plants, defence
establishments, and air conditioning and
refrigeration.
The company are part of a technical
collaboration with M/s Hitachi Cable Ltd,
Japan, a leading company in air conditioning
and refrigeration copper tube technology.
The company, which exports to all developed
countries, has won 11 export excellence
awards since 1993-94. PVC coated tubes
are the latest product to be added to the
company’s manufacturing range.
In addition to its standard product range,
Multimetals has started manufacturing other
copper-based alloy semis, with chemical,
mechanical, metallurgical and physical
properties based on user requirements.
These alloys include aluminium bronze,
manganese bronze, naval brass, free
cutting brass, forging brass, high tensile
brass, riveting brass, silicon brass, high
conductivity tough pitch copper, tellurium
copper and cadmium copper. They are
supplied in the form of hollows, sections,
profiles and rods. The alloys provide a
combination of strength, anti-corrosion
properties and oxidation resistance.
Multimetals Limited – India
Fax: +91 744 248 1821
Email:
Website:
Ready-to-use multi-port
tubes in aluminium
Tan-V-Tech Aluminium, India, is a
manufacturer of aluminium drawn profiles,
tubes, sections, rods, strips, coils and profile
rods, and a specialist in non-ferrous drawing.
The company, which has recently doubled
its production capacity, supplies drawn
aluminium profile rods, tubes, sections, and
bent or swaged components to automobile
industries and textile mills in India.
Tolerances are ±0.02 on both OD and ID,
and products feature a reduced weight of
section compared to extruded sections, with
no eccentricity or ovality.
Tan-V-Tech’s production range is from
1mm to 100mm OD, with thickness ranging
from 0.10mm to 17mm. The company can
also develop special sizes and profiles,
according to user requirements, to enable
proper cutting, chamfering, threading and
punching to be performed. Tubes and
sections in small cut lengths can also be
supplied.
Products can be provided in a range of
alloys, depending on the application,
including 1050, 1070, 1100 F, 2012, 3100,
3103, 5052, 6061, 6063, 6351, and 6082.
Tan-V-Tech Aluminium – India
Fax : +91 79 2681 1146
Email:
Website:
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Tel: +44 1926 334137
Fax: +44 1926 314755
Email:
Website:
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Alloys for strength, anti-corrosion and oxidation resistance